摘要：I lean forward and as we flip through the air, my stomach leaves my body. I am free falling, plummeting to the earth at 120 miles per hour. An inexplicable feeling of invincibility mixed with a humbling sense of my mortality wash over me. Intense adrenaline rushes out every extremity. Somehow, there is a huge grin on my face which wouldn’t disappear until long after I arrived back on the ground.
